Astronomy Fact of the Day: July 3, 2021

In 1969 on this date, a test flight of the Soviet N-1 ‘moon rocket’ failed when one of its rocket motors exploded. The engines were shut off and the vehicle exploded when it fell back to the pad. Launch Pad 110 East was destroyed, along with a slight Soviet hope of upstaging the US Apollo… Continue reading

Astronomy Fact of the Day: July 2, 2021

Tonight at 10 pm, you will find the constellation Scorpius in the south. The bright orangish red star in the constellation is called Antares. This is an example of a red super giant star.

Astronomy Fact of the Day: July 1, 2021

On this date in 1955, two successful ‘Rockoon’ launches were conducted. Two ‘Loki’ rockets, supplied by US Army Ordnance, were lifted on balloons from shipboard off the coast of Greenland; at altitude, they were remotely fired and launched into space. The rockets were a part of cosmic ray studies by a State University of Iowa… Continue reading

Astronomy Fact of the Day: June 29, 2021

On this date in 1971, the Soviet spacecraft Soyuz 11 returned from orbit. When the hatch was opened, however, it was found that the crew had perished due to a loss of cabin atmosphere. A pressure equalization valve had opened prematurely during re-entry, causing the loss of all three cosmonauts: Georgy Dobrovolsky, Vladislav Volkov, and… Continue reading

Astronomy Fact of the Day: June 27, 2021

In 1960 on this date, a decision was made to choose one Mercury production spacecraft for extensive ground testing as a complement to the Mercury reliability program. The test environment would involve vacuum, heat, and vibration conditions. This test series was later designated ‘Project Orbit.’

Night Sky Update: June 25 – July 3, 2021

This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Friday, June 25, 2021. Information updated weekly or as needed. Times given as local St. Louis time, which is Central Daylight Time (CDT). For definitions of terminology used in the night sky update, click the highlighted text. If relying on times… Continue reading

Astronomy Fact of the Day: June 25, 2021

On this date in 1894, Hermann Julius Oberth, the “Father of German Spaceflight,” was born. His seminal 1923 book, outlining the mathematic principles of rocketry and space travel, provided the basis for the space craze in Germany, leading to the V-2 and Wernher von Braun’s rocket team. You can read NASA’s official biography of Oberth… Continue reading